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3 years ago

8

Use comparison operators to write a question that the database will understand. Which records are more than or the same as three

thousand?

Computers and Technology

1 answer:

Semmy [17]3 years ago

6 0

Answer:

>=20

Explanation:

We are required to use the comparison operators, and they are like > , <, <=, >=, !=

We need to use more than or same:

And that is >=3000

And this is the required answer.

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Write a statement that defines an ifstream object named inputFile and opens a file named "Friends.txt".

Simora [160]

Answer:

ifstream inputFile;

inputFile.open("Friends.txt");

Explanation:

Though, the programming language is not stated, questions like this are often from C++.

The first statement defines the ifstream object using the following syntax.

ifstream [object_name]

In this case, the object name is inputFile

So, the syntax becomes

ifstream inputFile;

The next line opens a file using the following syntax.

[object_name].open("Filename")

Here, object_name is inputFile and filename is Friends.txt

So, the open statement becomes

inputFile.open("Friends.txt")

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3 years ago

What are the arguments for writing efficient programs even though hardware is relatively inexpensive?

Ainat [17]

Answer: Even though the hardware is inexpensive the writing of program is not efficient through this method as proper development of program is necessary for the clear execution due to factors like:-

The facility of writing program even the cost of hardware is less but it is not a free facility.
It also has a slower processing for the execution of the program
The construction of the efficient program is necessary for the compilation and execution of it rather than poorly constructed program is worthless and inefficient in working.

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3 years ago

Write a program that: Takes the list lotsOfNumbers and uses a loop to find the sum of all of the odd numbers in the list (hint:

Alika [10]

Answer:

Following are the code to this question:

#include <iostream>//defining header file

using namespace std;

int main()//defining main method

{

int x[]={2,3,4,6,7,8,9,1,11,12};//defining 1-D array and assign value

int i,sum=0;//defining integer variable

for(i=0;i<10;i++)//defining loop for count value

{

if(x[i]%2==1)//defining if block to check odd value

{

sum=sum+x[i];//add value in sum variable

}

}

cout<<sum;//print sum

return 0;

}

Output:

31

Explanation:

In the above-given program, an integer array "x" is declared that holds some integer values, and in the next line two integer variable "i and sum" is defined which is used to calculate the value.

In the next line, a for loop is declared, that counts all array value, and it uses the if block to check the odd value and add all the value into the sum variable.

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3 years ago

Add the following line of code to the end of your script, replacing any function calls: nested_sum( eval(input()) )

masha68 [24]

The program is an illustration of loops; Loops are program statements used for repetition of operations

<h3>How to complete the code?</h3>

The complete question is added as an attachment

The code written in Python that completes the missing parameters in the question are:

def nested_sum(mylist):

total = 0

for other_list in mylist:

total += sum(other_list)

print(total)

t = [[1,2],[3],[4,5,6]]

nested_sum(t)

nested_sum( eval(input()))

Read more about loops at:

brainly.com/question/24833629

#SPJ11

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